Kubota F3990 vs Simplicity 606
Side-by-side specs comparison
Verdict by the numbers
- The Kubota F3990 is more powerful than the Simplicity 606: 39 HP versus 6 HP (+33 HP, +550%).
- The Kubota F3990 is the more recent model: production started in 2014, versus 1964 for the Simplicity 606.
- The Kubota F3990 has the wider mower deck: 60" versus 32".
Full specs comparison
| Kubota F3990 | Simplicity 606 | |
|---|---|---|
| Power | 39 HP | 6 HP |
| Production years | 2014–2024 | 1964–1967 |
| Fuel | Diesel | Gasoline |
| Cylinders | 4 | 1 |
| Weight | 778 kg | — |
| Drive | 4WD | 2WD |
| Transmission | Hydrostatic | Gear |
| Gears (fwd/rev) | — | 2 / 1 |
| Wheelbase | 130 cm | — |
| Length | 251 cm | — |
| Mower deck | 60" | 32" |